diff --git a/README.md b/README.md
index 5b15ac8..96593cb 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ sudo git pull
 gifit file [fps] [scale]
 ```
 
-Scale is width in pixels or -1 for no scaling
+Scale is width in pixels or `-1` for no scaling
 
 ## License